Exam 1

1. Metainformation

   Tag	Value
   file	Inferential_Statistics_uva-one-sample-mean-637-en_uva-one-sample-mean-637-en
   name	uva-one-sample-mean-637-en
   section	Inferential Statistics/Parametric Techniques/t-test/One sample mean
   type	schoice
   solution	FALSE, FALSE, FALSE, TRUE
   Type	Calculation
   Language	English
   Level	Statistical Literacy
   IRT-Difficulty	4.477
   p-value	0.0201

   Question

   We assume a variable in a given population to be normally distributed according to N(μ,σ^²). To test H₀: μ = 30, we draw a sample (n = 9) from the population resulting in: mean = 28 and standard deviation = 3.6. The value of the test quantity T is then

   
   
   1. FALSE: -5
   2. FALSE: -3.16
   3. FALSE: 23.33
   4. TRUE: -1.67
   
   
   1. 5: Incorrect
   2. 3.16: Incorrect
   3. 23.33: Incorrect
   4. 1.67: Correct